2014 Honda Accord
Honda's popular Accord sedan aims to lead in the efficiency space with an array of efficient powerplant choices including four-cylinder, V-6, hybrid, and plug-in hybrid versions.Source:

2014 Honda AccordEven the V-6, the largest engine option, nets 34 highway mpg with the four-cylinder rated at up to 36 highway mpg. The bar raises considerably with the Accord Hybrid at 50 city and 47 highway mpg, and the Accord Plug-In with its 47 city and 46 highway mpg on hybrid power. Source: Green Car Journal

2014 Honda Accord
Even the V-6, the largest engine option, nets 34 highway mpg with the four-cylinder rated at up to 36 highway mpg. The bar raises considerably with the Accord Hybrid at 50 city and 47

2014 Audi A6 TDI
A start-stop system aids efficiency, as does a lightweight body that makes extensive use of aluminum body panels.Source: Green Car Journal

Photo: Autoblog.com

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Finalist No. 3

Model:

2014 BMW 328dFeaturing the first 4-cylinder BMW diesel engine in the U.S., the new 328d combines exceptionally high fuel efficiency with the performance expected of BMW models.Source: Green Car Journal

Model:

2014 BMW 328d
Featuring the first 4-cylinder BMW diesel engine in the U.S., the new 328d combines exceptionally high fuel efficiency with the performance expected of BMW models.Source: Green Car Journal

2014 Toyota CorollaThe Toyota Corolla has long been a best-seller due to its blend of efficiency and affordability. With the all-new 2014 Corolla, Toyota adds visual excitement, improved driving dynamics, and even greater efficiency to its popular compact sedan, achieving up to 42 highway mpg delivered by the model's Eco version.Source: Green Car Journal

2014 Toyota Corolla
The Toyota Corolla has long been a best-seller due to its blend of efficiency and affordability. With the all-new 2014 Corolla, Toyota adds visual excitement, improved driving dynamics,